← The evidence ledger
Evidence row 124917
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-apis.pages.dev/v1/inflation
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1154dab5c986b4bba3a7a941691fec5e4f19b9b341123296907d6fff00638b34
- Leaf
- 0xbcb541db23d31b922e3ad4ea6ac41cf684866a43f2b33d7fb56a7c9224f1fb4a
What was observed
{
"endpoints": [
[
"x402",
"https://x402-apis.pages.dev/v1/inflation"
]
],
"name": "Official Macro & FX Data",
"owner_address": "0x896babcda513322af2218fe7346353846835f978",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x896baBcda513322AF2218fe7346353846835f978",
"scheme": "exact"
}
],
"description": "Use when an agent needs the official inflation rate (year-on-year consumer prices) for a country: Eurostat HICP for the euro area, EU and 36 European countries (incl. CH, NO, TR) and US CPI-U from the Bureau of Labor Statistics. Latest month plus up to 36 months of history, flash estimates flagged. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"country": "AT",
"months": "12"
},
"type": "http"
},
"output": {
"example": {
"country": "AT",
"latest": {
"annualRatePct": 3.3,
"flag": "e",
"month": "2026-09"
},
"measure": "HICP, annual rate of change (%)",
"name": "Austria",
"retrievedAt": "2026-10-13T15:10:00.000Z",
"series": [
{
"annualRatePct": 3.5,
"flag": null,
"month": "2026-08"
},
{
"annualRatePct": 3.3,
"flag": "e",
"month": "2026-09"
}
],
"source": "Eurostat – HICP (prc_hicp_minr)"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"country": {
"description": "2-letter code: EA, EU, AT, BE, BG, CY, CZ, DE, DK, EE, EL, ES, FI, FR, HR, HU, IE, IT, LT, LU, LV, MT, NL, PL, PT, RO, SE, SI, SK, IS, NO, CH, TR, AL, ME, MK, RS, XK, US. EA = euro area, EU = European Union.",
"type": "string"
},
"months": {
"description": "Number of months of history, 1-36. Default 12.",
"type": "string"
}
},
"required": [
"country"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"country": {
"type": "string"
},
"latest": {
"type": "object"
},
"measure": {
"type": "string"
},
"series": {
"type": "array"
}
},
"required": [
"country",
"latest",
"series"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-23T22:50:41.901Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-23T22:50:41.525Z"
},
"resource": "https://x402-apis.pages.dev/v1/inflation",
"serviceName": "Official Macro & FX Data",
"tags": [
"inflation",
"cpi",
"hicp",
"eurostat",
"bls"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use when an agent needs the official inflation rate (year-on-year consumer prices) for a country: Eurostat HICP for the euro area, EU and 36 European countries (incl. CH, NO, TR) and US CPI-U from the Bureau of Labor Statistics. Latest month plus up to 36 months of history, flash estimates flagged. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged."
}What the leaf hashes
{"body":"1154dab5c986b4bba3a7a941691fec5e4f19b9b341123296907d6fff00638b34","id":124917,"kind":"listing","method":"baseline/1","observed_us":1793025625434463,"prev":null,"subject":"x402_bazaar:https://x402-apis.pages.dev/v1/inflation","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xbcb5c2dd0b088068cada48dcb8bce919cad4f52b6843e8d9ecd086467d25a20a
- 0xeed92a724ab5ca3a4220278fb46bdb87ed59c9edf29e267ecf911f3da1972ecf
- 0x8f5844fd25dba12b13e0e49484aa51cd5bad056edc79899bec52912f25d582f1
- 0x337de650f0f7212d6b4f5ccae550271d41f17affdce53a31b00c456f73100852
- 0x4291e9a34e7049610878bba9741d1cb629327fc27da4488c035ccddf03ea8b07
- 0xe27db8c429e1a8cd4b3480c7714815691feb79bfc0d537eb33344b2b547886de
- 0x0da4e796ff0fccf9e73cc1273cc608d8ab2c14461b8060ac4a1fc55e80383746
- 0x3017433f53994ee5c817ca5228b1f79003124ca04579a1a8ade84b0710d72bc8
- 0x6740e058d40bad51176be383b2c6faff2d8446eb13d7c54f192b7c04c71d008c
- 0x7096a251f9a01cad132ba398ebbd4caf06e5ec3cf4c8bdc56a7f1285eabd682f
- 0x747da36f7781b2b20c53f35968bf28ef3b43376581ce1ca8987f1d7a2a347e61
- 0x571bf2cc487a35d2ef7662b375d1fa9179fe0f6cab6f6cebdb1a6113d25f3c92
- 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
- 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae